Home / 827,104.60-1,241,823.30-512,176.60

Finding the Fourth Proportional to 827,104.60, 1,241,823.30 and 512,176.60

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Solution

The fourth proportional to 827,104.60, 1,241,823.30 and 512,176.60 is: 768,987.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,104.60 : 1,241,823.30 = 512,176.60 : x
  2. Step 2: Convert to fraction form
    827,104.60/1,241,823.30 = 512,176.60/x
  3. Step 3: Cross multiply
    827,104.60x = 1,241,823.30 × 512,176.60
  4. Step 4: Simplify right side
    827,104.60x = 636,032,835,594.78
  5. Step 5: Solve for x
    x = 636,032,835,594.78/827,104.60
  6. Step 6: Final answer
    x = 768,987.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.